extra-cmake-modules: drop merged patch

pkgs/development/libraries/kde-frameworks/extra-cmake-modules/default.nix

@@ -4,7 +4,6 @@ mkDerivation {
   pname = "extra-cmake-modules";
 
   patches = [
-    ./nix-lib-path.patch
     # https://invent.kde.org/frameworks/extra-cmake-modules/-/merge_requests/268
     (fetchpatch {
       url = "https://invent.kde.org/frameworks/extra-cmake-modules/-/commit/5862a6f5b5cd7ed5a7ce2af01e44747c36318220.patch";

pkgs/development/libraries/kde-frameworks/extra-cmake-modules/nix-lib-path.patch

@@ -1,40 +0,0 @@
-diff --git a/kde-modules/KDEInstallDirsCommon.cmake b/kde-modules/KDEInstallDirsCommon.cmake
-index c1d056b..d9e19f0 100644
---- a/kde-modules/KDEInstallDirsCommon.cmake
-+++ b/kde-modules/KDEInstallDirsCommon.cmake
-@@ -15,35 +15,6 @@
- # GNUInstallDirs code deals with re-configuring, but that is dealt with
- # by the _define_* macros in this module).
- set(_LIBDIR_DEFAULT "lib")
--# Override this default 'lib' with 'lib64' if:
--#  - we are on a Linux, kFreeBSD or Hurd system but NOT cross-compiling
--#  - we are NOT on debian
--#  - we are NOT on flatpak
--#  - we are on a 64 bits system
--# reason is: amd64 ABI: http://www.x86-64.org/documentation/abi.pdf
--# For Debian with multiarch, use 'lib/${CMAKE_LIBRARY_ARCHITECTURE}' if
--# CMAKE_LIBRARY_ARCHITECTURE is set (which contains e.g. "i386-linux-gnu"
--# See https://wiki.debian.org/Multiarch
--if((CMAKE_SYSTEM_NAME MATCHES "Linux|kFreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "GNU")
--   AND NOT CMAKE_CROSSCOMPILING
--   AND NOT EXISTS "/etc/arch-release"
--   AND NOT DEFINED ENV{FLATPAK_ID})
--  if (EXISTS "/etc/debian_version") # is this a debian system ?
--    if(CMAKE_LIBRARY_ARCHITECTURE)
--      set(_LIBDIR_DEFAULT "lib/${CMAKE_LIBRARY_ARCHITECTURE}")
--    endif()
--  else() # not debian, rely on CMAKE_SIZEOF_VOID_P:
--    if(NOT DEFINED CMAKE_SIZEOF_VOID_P)
--      message(AUTHOR_WARNING
--        "Unable to determine default LIB_INSTALL_LIBDIR directory because no target architecture is known. "
--        "Please enable at least one language before including KDEInstallDirs.")
--    else()
--      if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
--        set(_LIBDIR_DEFAULT "lib64")
--      endif()
--    endif()
--  endif()
--endif()
- 
- set(_gnu_install_dirs_vars
-     BINDIR